
package org.linlinjava.litemall.db.service;

import com.alibaba.druid.util.StringUtils;
import com.github.pagehelper.PageHelper;
import org.linlinjava.litemall.db.dao.LitemallGoodsMapper;
import org.linlinjava.litemall.db.dao.LitemallGrouponRulesMapper;
import org.linlinjava.litemall.db.domain.LitemallGrouponRules;
import org.linlinjava.litemall.db.domain.LitemallGrouponRulesExample;
import org.springframework.stereotype.Service;

import javax.annotation.Resource;
import java.time.LocalDateTime;
import java.util.List;

@Service
public class LitemallGrouponRulesService {

	@Resource
	private LitemallGrouponRulesMapper mapper;

	@Resource
	private LitemallGoodsMapper goodsMapper;

	public int createRules(LitemallGrouponRules rules) {
		rules.setAddTime(LocalDateTime.now());
		rules.setUpdateTime(LocalDateTime.now());
		return mapper.insertSelective(rules);
	}

	/**
	 * 根据ID查找对应团购项
	 *
	 * @param id
	 * @return
	 */
	public LitemallGrouponRules queryById(Integer id) {
		LitemallGrouponRulesExample example = new LitemallGrouponRulesExample();
		example.or().andIdEqualTo(id).andDeletedEqualTo(false);
		return mapper.selectOneByExample(example);
	}

	/**
	 * 查询某个商品关联的团购规则
	 *
	 * @param goodsId
	 * @return
	 */
	public List<LitemallGrouponRules> queryByGoodsId(Integer goodsId) {
		LitemallGrouponRulesExample example = new LitemallGrouponRulesExample();
		example.or().andGoodsIdEqualTo(goodsId).andDeletedEqualTo(false);
		return mapper.selectByExample(example);
	}

	/**
	 * 获取首页团购活动列表
	 *
	 * @param page
	 * @param limit
	 * @return
	 */
	public List<LitemallGrouponRules> queryList(Integer page, Integer limit) {
		return queryList(page, limit, "add_time", "desc");
	}

	public List<LitemallGrouponRules> queryList(Integer page, Integer limit, String sort, String order) {
		LitemallGrouponRulesExample example = new LitemallGrouponRulesExample();
		example.or().andDeletedEqualTo(false);
		example.setOrderByClause(sort + " " + order);
		PageHelper.startPage(page, limit);
		return mapper.selectByExample(example);
	}

	/**
	 * 判断某个团购活动是否已经过期
	 *
	 * @return
	 */
	public boolean isExpired(LitemallGrouponRules rules) {
		return (rules == null || rules.getExpireTime().isBefore(LocalDateTime.now()));
	}

	/**
	 * 获取团购活动列表
	 *
	 * @param goodsId
	 * @param page
	 * @param size
	 * @param sort
	 * @param order
	 * @return
	 */
	public List<LitemallGrouponRules> querySelective(String goodsId,
		Integer page, Integer size,
		String sort, String order) {
		LitemallGrouponRulesExample example = new LitemallGrouponRulesExample();
		example.setOrderByClause(sort + " " + order);
		LitemallGrouponRulesExample.Criteria criteria = example.createCriteria();
		if (!StringUtils.isEmpty(goodsId)) {
			criteria.andGoodsIdEqualTo(Integer.parseInt(goodsId));
		}
		criteria.andDeletedEqualTo(false);
		PageHelper.startPage(page, size);
		return mapper.selectByExample(example);
	}

	public void delete(Integer id) {
		mapper.logicalDeleteByPrimaryKey(id);
	}

	public int updateById(LitemallGrouponRules grouponRules) {
		grouponRules.setUpdateTime(LocalDateTime.now());
		return mapper.updateByPrimaryKeySelective(grouponRules);
	}
}